Additionally, gelatin is sold in sheet form. You may find collagen and gelatin supplements in both powder and granulated forms.
This is why they cannot be used interchangeably ( 2). On the other hand, gelatin can form a gel that thickens when cooled due to its gelling properties, a property that collagen peptides lack. In contrast, most forms of gelatin only dissolve in hot water. However, collagen supplements are mostly made of a completely hydrolyzed form of collagen called collagen peptides, and these are easier to digest than gelatin.Īlso, collagen peptides dissolve in both hot and cold water.
This makes gelatin easier to digest than pure collagen. In contrast, as a degraded form of collagen, gelatin has undergone partial hydrolyzation or breakage - meaning that it’s comprised of shorter amino acid chains ( 2). In its natural form, collagen is formed by a triple helix comprised of 3 chains with over 1,000 amino acids each ( 1). Most of collagen and gelatin’s differences have to do with their chemical structures. Supplementing with degraded collagen, such as gelatin, may increase bone mineral density and bone formation while reducing bone degradation ( 24).Ĭollagen and gelatin may improve skin, joint, gut, and bone health, which is why they’re widely used in the cosmetic and pharmaceutical industries. Damage to the gut lining can otherwise lead to leaky gut syndrome and other autoimmune conditions ( 22, 23). Collagen and gelatin may improve the gut’s lining.
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Both collagen and gelatin possess antioxidant capacities and fight the negative effects that free radicals can have on aging and overall health ( 9). Other potential benefitsĬollagen and gelatin have a few more health benefits in common, including: Similarly, in a 24-week study in 94 athletes, those taking a 10-gram collagen supplement daily showed significant improvements in joint pain, mobility, and inflammation, compared with those in a control group ( 21). Research suggests that these proteins may improve joint health by accumulating in cartilage after ingestion, thus reducing pain and stiffness ( 18, 19).įor example, in a 70-day study in 80 people with osteoarthritis, those who took 2 grams of a gelatin supplement per day experienced significant improvements in pain and physical activities, compared with those in a control group ( 20). Supplementing with collagen and gelatin may help treat exercise-induced joint wear and osteoarthritis, a degenerative joint disease that can cause pain and disability.
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Lastly, a 6-month study in 105 women found that a daily dose of 2.5 grams of collagen peptides significantly improved skin appearance by reducing cellulite, although more research is needed to confirm this effect ( 17). What’s more, studies show that collagen may increase levels of hyaluronic acid, which is another essential component of skin structure, suggesting a potential beneficial effect against ultraviolet-B-induced skin damage ( 4, 15, 16). Similarly, in a 12-month animal study, taking fish-derived gelatin improved skin thickness by 18% and collagen density by 22% ( 14). Studies show that the intake of collagen and collagen peptides - a degraded form of collagen - may boost skin collagen production and provide anti-aging effects ( 4, 10, 11, 12).įor instance, two human studies in which participants took 10 grams of an oral collagen supplement daily found a 28% improvement in skin moisture and 31% reduction in collagen fragmentation - an indicator of collagen quality loss - after 8 and 12 weeks, respectively ( 13). May help reduce signs of skin agingĬollagen and gelatin may improve signs of skin aging, such as dryness, scaling, and a loss of elasticity that results from a reduction in your skin’s collagen content ( 10).
Collagen and gelatin are widely used in the cosmetic and pharmaceutical industries, mostly due to their beneficial effects on skin and joint health ( 9).
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